TY - RPRT TI - Improving the design of amphibian surveys using soil data: A case study in two wilderness areas AU - K.D. Bowen AU - E.A. Beever AU - U.B. Gafvert PY - 2009 DO - 10.3375/043.029.0203 UR - https://pubs.usgs.gov/publication/70034896 ID - 70034896 ER -